<template>
  <div>
    <!-- 面包屑 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/welcome' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item :to="{ path: '/goods' }">商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <br />
    <!-- 卡片视图区 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容">
            <el-button slot="append" icon="el-icon-search"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary">添加商品</el-button>
        </el-col>
      </el-row>
      <el-table :data="goodslist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column label="商品价格" prop="goods_price"></el-table-column>
        <el-table-column label="商品重量" prop="goods_weight"></el-table-column>
        <el-table-column label="创建时间" prop="add_time">
          <template slot-scope="scope">
            {{ scope.row.add_time | dateFormat }}
          </template>
        </el-table-column>
        <el-table-column label="操作">
          <template slot-scope="scope">
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
            ></el-button>
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
            ></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 底部页面切换区域 -->
      <div class="pagination">
        <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="queryInfo.pagenum"
          :page-sizes="[4, 8, 12, 15]"
          :page-size="queryInfo.pagesize"
          layout="total, sizes, prev, pager, next, jumper"
          :total="total"
        >
        </el-pagination>
      </div>
    </el-card>
  </div>
</template>

<script>
export default {
  data() {
    return {
      queryInfo: {
        query: "",
        pagenum: 1,
        pagesize: 5,
      },
      //商品列表
      goodslist: [],
      // 数字不用加引号
      total: 0,
    };
  },
  methods: {
    async getGoodList() {
      const { data: res } = await this.$http.get("goods", {
        params: this.queryInfo,
      });
      if (res.meta.status !== 200) {
        return this.$message.error("获取商品列表失败");
      }
      this.$message.success("获取商品列表成功!");
      console.log(res.data);
      this.goodslist = res.data.goods;
      this.total = res.data.total;
    },
    //分页栏功能（点击后能改变显示的页面条数大小）
    //他这里方法自带实现 你一点击对应的分页条数 他就赋值它给size 就有值了
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize;
      this.queryInfo.pagenum = 1; // 在改变每页显示的条数时，要将页码显示到第一页
      this.getGoodList(); // 分页请求数据
    },
    // 分页--点击页
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage;
      this.getGoodList();
    },
  },
  created() {
    this.getGoodList();
  },
};
</script>

<style scoped>
</style>